Use the System Disk Mirror Setup Worksheet to organize items before mirroring the system disk.
See
Before setting up the GDS configuration, you need to know basic information from reading "PRIMECLUSTER Global Disk Services Configuration and Administration Guide."
For information on the items in this worksheet, see "6.3.2.1 Setting Up System Disk Mirroring in the ZFS Boot Environment." or "6.3.2.2 Setting Up System Disk Mirroring in the UFS Boot Environment." Also see "A.10.3 System Disk Mirror Setup Worksheet" in "A.10 System Design Examples."
System Disk Mirror Setup Worksheet